An inspector is reviewing the venting system of a gas water heater. Which of the following is the minimum required venting height above the roof for a direct-vent gas water heater?
- A2 feet
- B3 feet
- 4 feet
- D5 feet
Exam tip
Ensure that venting systems are installed according to the specific requirements for the type of appliance.
Why C is correct
According to Section M1503.1.4 of the 2024 IRC, the minimum venting height above the roof for a direct-vent gas water heater is 4 feet.
